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Finding the Fourth Proportional to 189,735, 261,811.98 and 104,847

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Solution

The fourth proportional to 189,735, 261,811.98 and 104,847 is: 144,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,735 : 261,811.98 = 104,847 : x
  2. Step 2: Convert to fraction form
    189,735/261,811.98 = 104,847/x
  3. Step 3: Cross multiply
    189,735x = 261,811.98 × 104,847
  4. Step 4: Simplify right side
    189,735x = 27,450,200,667.06
  5. Step 5: Solve for x
    x = 27,450,200,667.06/189,735
  6. Step 6: Final answer
    x = 144,676.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.